Ensure Host connections closed immediately upon ExtendedHostResolver refresh#237

Closed

CarthageKing wants to merge 4 commits intoarangodb:masterfrom

CarthageKing:bugfix-ensure-connections-closed

Commits on Nov 6, 2018

ensure connections are closed
Michael I. Calderero
committed

Commits on Nov 7, 2018

add logging to know sources of connection pool instantiation
Michael I. Calderero
committed
add logging to know sources of connection pool lifecycle
Michael I. Calderero
committed
explicitly close hosts before clearing the hosts list
Michael I. Calderero
committed